*{padding:0; margin: 0;}
ul,ol,li{list-style: none;}
img{vertical-align: top; border: none;}
a{text-decoration: none;}
body{font-size: 14px; font-family: '微软雅黑';}


.slide{
	width: 250px;
	height: 90px;
	margin: 100px auto;
	position: relative;
}
.slide>ul>li{
	position: absolute;
	float: left;
	display: none;
}
.slide>ul>li:first-child{
	display:block;
}
.slide>ul>li>img{
	width:250px; height:90px;
}

.slide>span{
	position:absolute;
	top:30px;
	background-color: rgba(0, 0, 0, 0.3);
	color: #fff;
	display:block;
	width: 20px; text-align: center;
	height:30px; line-height: 30px;
}
.slide>.pre{
	left:0;
	border-top-right-radius: 3px;
	border-bottom-right-radius: 3px;
}
.slide>.next{
	right: 0;
	border-top-left-radius: 3px;
	border-bottom-left-radius: 3px;
}